<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>19.模态框</title>
    <link rel="stylesheet" href="css/bootstrap.min.css">
</head>
<body>


<h2>创建模态框（Modal）</h2>
<!-- 按钮触发模态框 -->
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal">开始演示模态框</button>
<button class="btn btn-primary btn-lg" data-toggle="modal" data-target="#myModal" id="btn2">切换模态框</button>
<!-- 模态框（Modal） -->
<div class="modal fade" id="myModal" tabindex="-1" role="dialog" aria-labelledby="myModalLabel" aria-hidden="true">
  <div class="modal-dialog">
    <div class="modal-content">
      <div class="modal-header">
        <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
        <h4 class="modal-title" id="myModalLabel">模态框（Modal）标题</h4>
      </div>
      <div class="modal-body">在这里添加一些文本</div>
      <div class="modal-footer">
        <button type="button" class="btn btn-default" data-dismiss="modal">关闭</button>
        <button type="button" class="btn btn-primary">提交更改</button>
      </div>
    </div><!-- /.modal-content -->
  </div><!-- /.modal -->
</div>

<script type="text/javascript" src="js/jquery.min.js"></script>
<script type="text/javascript" src="js/bootstrap.min.js"></script>
<script>
  $(function () {
    $("#btn2").click(function () {
      $("myModal").modal('toggle');x
    })
  })
</script>
</body>
</html>